aboutsummaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-s3c2412/Kconfig10
-rw-r--r--arch/arm/mach-s3c2412/Makefile1
-rw-r--r--arch/arm/mach-s3c2412/mach-jive.c348
3 files changed, 359 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2412/Kconfig b/arch/arm/mach-s3c2412/Kconfig
index 0b43431d4b75..c59a9d2ee9a6 100644
--- a/arch/arm/mach-s3c2412/Kconfig
+++ b/arch/arm/mach-s3c2412/Kconfig
@@ -34,6 +34,16 @@ config S3C2412_PM
34 34
35menu "S3C2412 Machines" 35menu "S3C2412 Machines"
36 36
37config MACH_JIVE
38 bool "Logitech Jive"
39 select CPU_S3C2412
40 help
41 Say Y here if you are using the Logitech Jive.
42
43config MACH_JIVE_SHOW_BOOTLOADER
44 bool "Allow access to bootloader partitions in MTD"
45 depends on MACH_JIVE && EXPERIMENTAL
46
37config MACH_SMDK2413 47config MACH_SMDK2413
38 bool "SMDK2413" 48 bool "SMDK2413"
39 select CPU_S3C2412 49 select CPU_S3C2412
diff --git a/arch/arm/mach-s3c2412/Makefile b/arch/arm/mach-s3c2412/Makefile
index 267f3348301e..20918d5dc6a9 100644
--- a/arch/arm/mach-s3c2412/Makefile
+++ b/arch/arm/mach-s3c2412/Makefile
@@ -18,5 +18,6 @@ obj-$(CONFIG_S3C2412_PM) += pm.o sleep.o
18 18
19# Machine support 19# Machine support
20 20
21obj-$(CONFIG_MACH_JIVE) += mach-jive.o
21obj-$(CONFIG_MACH_SMDK2413) += mach-smdk2413.o 22obj-$(CONFIG_MACH_SMDK2413) += mach-smdk2413.o
22obj-$(CONFIG_MACH_VSTMS) += mach-vstms.o 23obj-$(CONFIG_MACH_VSTMS) += mach-vstms.o
diff --git a/arch/arm/mach-s3c2412/mach-jive.c b/arch/arm/mach-s3c2412/mach-jive.c
new file mode 100644
index 000000000000..05da51d1ce4e
--- /dev/null
+++ b/arch/arm/mach-s3c2412/mach-jive.c
@@ -0,0 +1,348 @@
1/* linux/arch/arm/mach-s3c2410/mach-jive.c
2 *
3 * Copyright 2007 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * http://armlinux.simtec.co.uk/
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11*/
12
13#include <linux/kernel.h>
14#include <linux/types.h>
15#include <linux/interrupt.h>
16#include <linux/list.h>
17#include <linux/timer.h>
18#include <linux/init.h>
19#include <linux/sysdev.h>
20#include <linux/serial_core.h>
21#include <linux/platform_device.h>
22
23#include <linux/mtd/mtd.h>
24#include <linux/mtd/partitions.h>
25
26#include <asm/mach/arch.h>
27#include <asm/mach/map.h>
28#include <asm/mach/irq.h>
29
30#include <asm/plat-s3c/regs-serial.h>
31#include <asm/plat-s3c/nand.h>
32
33#include <asm/arch/regs-power.h>
34#include <asm/arch/regs-gpio.h>
35#include <asm/arch/regs-mem.h>
36#include <asm/arch/regs-lcd.h>
37
38#include <asm/mach-types.h>
39
40#include <linux/mtd/mtd.h>
41#include <linux/mtd/nand.h>
42#include <linux/mtd/nand_ecc.h>
43#include <linux/mtd/partitions.h>
44
45#include <asm/plat-s3c24xx/clock.h>
46#include <asm/plat-s3c24xx/devs.h>
47#include <asm/plat-s3c24xx/cpu.h>
48#include <asm/plat-s3c24xx/pm.h>
49#include <asm/plat-s3c24xx/udc.h>
50
51static struct map_desc jive_iodesc[] __initdata = {
52};
53
54#define UCON S3C2410_UCON_DEFAULT
55#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE
56#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
57
58static struct s3c2410_uartcfg jive_uartcfgs[] = {
59 [0] = {
60 .hwport = 0,
61 .flags = 0,
62 .ucon = UCON,
63 .ulcon = ULCON,
64 .ufcon = UFCON,
65 },
66 [1] = {
67 .hwport = 1,
68 .flags = 0,
69 .ucon = UCON,
70 .ulcon = ULCON,
71 .ufcon = UFCON,
72 },
73 [2] = {
74 .hwport = 2,
75 .flags = 0,
76 .ucon = UCON,
77 .ulcon = ULCON,
78 .ufcon = UFCON,
79 }
80};
81
82/* Jive flash assignment
83 *
84 * 0x00000000-0x00028000 : uboot
85 * 0x00028000-0x0002c000 : uboot env
86 * 0x0002c000-0x00030000 : spare
87 * 0x00030000-0x00200000 : zimage A
88 * 0x00200000-0x01600000 : cramfs A
89 * 0x01600000-0x017d0000 : zimage B
90 * 0x017d0000-0x02bd0000 : cramfs B
91 * 0x02bd0000-0x03fd0000 : yaffs
92 */
93static struct mtd_partition jive_imageA_nand_part[] = {
94
95#ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
96 /* Don't allow access to the bootloader from linux */
97 {
98 .name = "uboot",
99 .offset = 0,
100 .size = (160 * SZ_1K),
101 .mask_flags = MTD_WRITEABLE, /* force read-only */
102 },
103
104 /* spare */
105 {
106 .name = "spare",
107 .offset = (176 * SZ_1K),
108 .size = (16 * SZ_1K),
109 },
110#endif
111
112 /* booted images */
113 {
114 .name = "kernel (ro)",
115 .offset = (192 * SZ_1K),
116 .size = (SZ_2M) - (192 * SZ_1K),
117 .mask_flags = MTD_WRITEABLE, /* force read-only */
118 }, {
119 .name = "root (ro)",
120 .offset = (SZ_2M),
121 .size = (20 * SZ_1M),
122 .mask_flags = MTD_WRITEABLE, /* force read-only */
123 },
124
125 /* yaffs */
126 {
127 .name = "yaffs",
128 .offset = (44 * SZ_1M),
129 .size = (20 * SZ_1M),
130 },
131
132 /* bootloader environment */
133 {
134 .name = "env",
135 .offset = (160 * SZ_1K),
136 .size = (16 * SZ_1K),
137 },
138
139 /* upgrade images */
140 {
141 .name = "zimage",
142 .offset = (22 * SZ_1M),
143 .size = (2 * SZ_1M) - (192 * SZ_1K),
144 }, {
145 .name = "cramfs",
146 .offset = (24 * SZ_1M) - (192*SZ_1K),
147 .size = (20 * SZ_1M),
148 },
149};
150
151static struct mtd_partition jive_imageB_nand_part[] = {
152
153#ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
154 /* Don't allow access to the bootloader from linux */
155 {
156 .name = "uboot",
157 .offset = 0,
158 .size = (160 * SZ_1K),
159 .mask_flags = MTD_WRITEABLE, /* force read-only */
160 },
161
162 /* spare */
163 {
164 .name = "spare",
165 .offset = (176 * SZ_1K),
166 .size = (16 * SZ_1K),
167 },
168#endif
169
170 /* booted images */
171 {
172 .name = "kernel (ro)",
173 .offset = (22 * SZ_1M),
174 .size = (2 * SZ_1M) - (192 * SZ_1K),
175 .mask_flags = MTD_WRITEABLE, /* force read-only */
176 },
177 {
178 .name = "root (ro)",
179 .offset = (24 * SZ_1M) - (192 * SZ_1K),
180 .size = (20 * SZ_1M),
181 .mask_flags = MTD_WRITEABLE, /* force read-only */
182 },
183
184 /* yaffs */
185 {
186 .name = "yaffs",
187 .offset = (44 * SZ_1M),
188 .size = (20 * SZ_1M),
189 },
190
191 /* bootloader environment */
192 {
193 .name = "env",
194 .offset = (160 * SZ_1K),
195 .size = (16 * SZ_1K),
196 },
197
198 /* upgrade images */
199 {
200 .name = "zimage",
201 .offset = (192 * SZ_1K),
202 .size = (2 * SZ_1M) - (192 * SZ_1K),
203 }, {
204 .name = "cramfs",
205 .offset = (2 * SZ_1M),
206 .size = (20 * SZ_1M),
207 },
208};
209
210static struct s3c2410_nand_set jive_nand_sets[] = {
211 [0] = {
212 .name = "flash",
213 .nr_chips = 1,
214 .nr_partitions = ARRAY_SIZE(jive_imageA_nand_part),
215 .partitions = jive_imageA_nand_part,
216 },
217};
218
219static struct s3c2410_platform_nand jive_nand_info = {
220 /* set taken from osiris nand timings, possibly still conservative */
221 .tacls = 30,
222 .twrph0 = 55,
223 .twrph1 = 40,
224 .sets = jive_nand_sets,
225 .nr_sets = ARRAY_SIZE(jive_nand_sets),
226};
227
228static int __init jive_mtdset(char *options)
229{
230 struct s3c2410_nand_set *nand = &jive_nand_sets[0];
231 unsigned long set;
232
233 if (options == NULL || options[0] == '\0')
234 return 0;
235
236 if (strict_strtoul(options, 10, &set)) {
237 printk(KERN_ERR "failed to parse mtdset=%s\n", options);
238 return 0;
239 }
240
241 switch (set) {
242 case 1:
243 nand->nr_partitions = ARRAY_SIZE(jive_imageB_nand_part);
244 nand->partitions = jive_imageB_nand_part;
245 case 0:
246 /* this is already setup in the nand info */
247 break;
248 default:
249 printk(KERN_ERR "Unknown mtd set %ld specified,"
250 "using default.", set);
251 }
252
253 return 0;
254}
255
256/* parse the mtdset= option given to the kernel command line */
257__setup("mtdset=", jive_mtdset);
258
259static struct platform_device *jive_devices[] __initdata = {
260 &s3c_device_usb,
261 &s3c_device_rtc,
262 &s3c_device_wdt,
263 &s3c_device_i2c,
264 &s3c_device_nand,
265 &s3c_device_usbgadget,
266};
267
268static struct s3c2410_udc_mach_info jive_udc_cfg __initdata = {
269 .vbus_pin = S3C2410_GPG1, /* detect is on GPG1 */
270};
271
272/* Jive power management device */
273
274#ifdef CONFIG_PM
275static int jive_pm_suspend(struct sys_device *sd, pm_message_t state)
276{
277 /* Write the magic value u-boot uses to check for resume into
278 * the INFORM0 register, and ensure INFORM1 is set to the
279 * correct address to resume from. */
280
281 __raw_writel(0x2BED, S3C2412_INFORM0);
282 __raw_writel(virt_to_phys(s3c2410_cpu_resume), S3C2412_INFORM1);
283
284 return 0;
285}
286
287static int jive_pm_resume(struct sys_device *sd)
288{
289 __raw_writel(0x0, S3C2412_INFORM0);
290 return 0;
291}
292
293#else
294#define jive_pm_suspend NULL
295#define jive_pm_resume NULL
296#endif
297
298static struct sysdev_class jive_pm_sysclass = {
299 .name = "jive-pm",
300 .suspend = jive_pm_suspend,
301 .resume = jive_pm_resume,
302};
303
304static struct sys_device jive_pm_sysdev = {
305 .cls = &jive_pm_sysclass,
306};
307
308static void __init jive_map_io(void)
309{
310 s3c24xx_init_io(jive_iodesc, ARRAY_SIZE(jive_iodesc));
311 s3c24xx_init_clocks(12000000);
312 s3c24xx_init_uarts(jive_uartcfgs, ARRAY_SIZE(jive_uartcfgs));
313}
314
315static void __init jive_machine_init(void)
316{
317 /* register system devices for managing low level suspend */
318
319 sysdev_class_register(&jive_pm_sysclass);
320 sysdev_register(&jive_pm_sysdev);
321
322 s3c2410_pm_init();
323
324 s3c_device_nand.dev.platform_data = &jive_nand_info;
325
326 /* Turn off suspend on both USB ports, and switch the
327 * selectable USB port to USB device mode. */
328
329 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
330 S3C2410_MISCCR_USBSUSPND0 |
331 S3C2410_MISCCR_USBSUSPND1, 0x0);
332
333 s3c24xx_udc_set_platdata(&jive_udc_cfg);
334
335 platform_add_devices(jive_devices, ARRAY_SIZE(jive_devices));
336}
337
338MACHINE_START(JIVE, "JIVE")
339 /* Maintainer: Ben Dooks <ben@fluff.org> */
340 .phys_io = S3C2410_PA_UART,
341 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
342 .boot_params = S3C2410_SDRAM_PA + 0x100,
343
344 .init_irq = s3c24xx_init_irq,
345 .map_io = jive_map_io,
346 .init_machine = jive_machine_init,
347 .timer = &s3c24xx_timer,
348MACHINE_END
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-26 06:21:26 -0500